Texas Instruments -84 Plus, Manual Book

Page: 403 / 696

Chapter 14: Applications 400
Note:
You must enter values for
æ
,
PV
,
PMT
, and before computing the principal.
G
Prn( pmt1 , pmt2
[
, roundvalue
]
)
G
Int(
computes the sum of the interest during a specified period for an amortization
schedule using stored values for
¾æ
,
PV
, and
PMT
.
pmt1
is the starting payment.
pmt2
is
the ending payment in the range.
pmt1
and
pmt2
must be positive integers < 10,000.
roundvalue
specifies the internal precision the calculator uses to calculate the interest; if
you do not specify
roundvalue
, the TI-84 Plus uses the current
Float/Fix
decimal-mode
setting.
G
Int( pmt1 , pmt2
[
, roundvalue
]
)
Amortization Example: Calculating an Outstanding Loan Balance Amortization Example: Calculating an Outstanding Loan Balance Amortization Example: Calculating an Outstanding Loan Balance Amortization Example: Calculating an Outstanding Loan Balance
You want to buy a home with a 30-year mortgage at 8 percent APR. Monthly payments
are 800. Calculate the outstanding loan balance after each payment and display the
results in a graph and in the table.
1. Press
z
. Press
† ~ ~ ~ Í
to set the
fixed-decimal mode setting to
2
. Press
† † ~ Í
to
select
Par
graphing mode.